feat: FAQ management from admin, public /faq, homepage section, llms.txt

- Backend: faq_questions table (schema + migration), CRUD + reorder API, Swagger docs
- Admin: FAQ page with create/edit, enable/disable, show on homepage, drag reorder
- Public /faq page fetches enabled FAQs from API; layout builds dynamic JSON-LD
- Homepage: FAQ section under Stay updated (homepage-enabled only) with See full FAQ link
- llms.txt: FAQ section uses homepage FAQs from API
- i18n: home.faq title/seeFull, admin FAQ nav

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/app/(public)/faq/layout.tsx

@@ -1,44 +1,21 @@
 import type { Metadata } from 'next';
 
-// FAQ Page structured data
-const faqSchema = {
-  '@context': 'https://schema.org',
-  '@type': 'FAQPage',
-  mainEntity: [
-    {
-      '@type': 'Question',
-      name: 'What is Spanglish?',
-      acceptedAnswer: {
-        '@type': 'Answer',
-        text: 'Spanglish is a language exchange community in Asunción, Paraguay. We organize monthly events where Spanish and English speakers come together to practice languages, meet new people, and have fun in a relaxed social environment.',
-      },
-    },
-    {
-      '@type': 'Question',
-      name: 'Who can attend Spanglish events?',
-      acceptedAnswer: {
-        '@type': 'Answer',
-        text: 'Anyone interested in practicing English or Spanish is welcome! We accept all levels - from complete beginners to native speakers. Our events are designed to be inclusive and welcoming to everyone.',
-      },
-    },
-    {
-      '@type': 'Question',
-      name: 'How do language exchange events work?',
-      acceptedAnswer: {
-        '@type': 'Answer',
-        text: 'Our events typically last 2-3 hours. You will be paired with people who speak the language you want to practice. We rotate partners throughout the evening so you can meet multiple people. There are also group activities and free conversation time.',
-      },
-    },
-    {
-      '@type': 'Question',
-      name: 'Do I need to speak the language already?',
-      acceptedAnswer: {
-        '@type': 'Answer',
-        text: 'Not at all! We welcome complete beginners. Our events are structured to support all levels. Native speakers are patient and happy to help beginners practice.',
-      },
-    },
-  ],
-};
+const apiUrl = process.env.NEXT_PUBLIC_API_URL || 'http://localhost:3001';
+
+async function getFaqForSchema(): Promise<{ question: string; answer: string }[]> {
+  try {
+    const res = await fetch(`${apiUrl}/api/faq`, { next: { revalidate: 60 } });
+    if (!res.ok) return [];
+    const data = await res.json();
+    const faqs = data.faqs || [];
+    return faqs.map((f: { question: string; questionEs?: string | null; answer: string; answerEs?: string | null }) => ({
+      question: f.question,
+      answer: f.answer || '',
+    }));
+  } catch {
+    return [];
+  }
+}
 
 export const metadata: Metadata = {
   title: 'Frequently Asked Questions',
@@ -49,11 +26,25 @@ export const metadata: Metadata = {
   },
 };
 
-export default function FAQLayout({
+export default async function FAQLayout({
   children,
 }: {
   children: React.ReactNode;
 }) {
+  const faqList = await getFaqForSchema();
+  const faqSchema = {
+    '@context': 'https://schema.org',
+    '@type': 'FAQPage',
+    mainEntity: faqList.map(({ question, answer }) => ({
+      '@type': 'Question',
+      name: question,
+      acceptedAnswer: {
+        '@type': 'Answer',
+        text: answer,
+      },
+    })),
+  };
+
   return (
     <>
       <script